From a1cd142340911de98bff7a9c70a1648d811bf246 Mon Sep 17 00:00:00 2001
From: Stella Laurenzo <stellaraccident@gmail.com>
Date: Sat, 18 Nov 2023 19:12:14 -0800
Subject: [PATCH] Disable LTC for out-of-tree.

---
 .../python_deploy/build_linux_packages.sh        | 16 +++++++++-------
 .../ltc/csrc/base_lazy_backend/CMakeLists.txt    |  3 ---
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/build_tools/python_deploy/build_linux_packages.sh b/build_tools/python_deploy/build_linux_packages.sh
index 8b8c7b0eb..59dab5b6f 100755
--- a/build_tools/python_deploy/build_linux_packages.sh
+++ b/build_tools/python_deploy/build_linux_packages.sh
@@ -364,14 +364,16 @@ function setup_venv() {
 function build_out_of_tree() {
   local torch_from_bin="$1"
   local python_version="$2"
-  echo ":::: Build out-of-tree Torch from binary: $torch_from_bin with Python: $python_version"
-
   local torch_version="$3"
-  local enable_ltc="ON"
-  if [[ "${torch_version}" == "stable" ]]
-  then
-    enable_ltc="OFF"
-  fi
+  echo ":::: Build out-of-tree Torch from binary: $torch_from_bin with Python: $python_version ($torch_version)"
+
+  # Disabled due to link errors on undefined c10 and other core torch symbols.
+  enable_ltc="OFF"
+  # local enable_ltc="ON"
+  # if [[ "${torch_version}" == "stable" ]]
+  # then
+  #   enable_ltc="OFF"
+  # fi
 
   if [ ! -d "/main_checkout/torch-mlir/llvm-build/lib/cmake/mlir/" ]
   then
diff --git a/projects/ltc/csrc/base_lazy_backend/CMakeLists.txt b/projects/ltc/csrc/base_lazy_backend/CMakeLists.txt
index d4845e28f..eee3044f0 100644
--- a/projects/ltc/csrc/base_lazy_backend/CMakeLists.txt
+++ b/projects/ltc/csrc/base_lazy_backend/CMakeLists.txt
@@ -71,9 +71,6 @@ target_link_libraries(torch_mlir_ltc_backend
   TorchMLIRAggregateCAPI
   TorchMLIRJITIRImporter
   ${TORCH_LIBRARIES}
-  # In some configurations, symbols are not found for inlines, so over-link.
-  torch_cpu
-  c10
 )
 
 message(STATUS "TORCH_CXXFLAGS=${TORCH_CXXFLAGS} -Wno-pedantic")